On the heels of Thor and The Hobbit, we give props to 20 past and present stars who pulled off shoulder-grazing dos without venturing into Fabio terrain.

In the animal kingdom, a lion's mane conveys power, confidence, and a secure position at the top of the food chain. Long hair is no different for a man, though it also adds a degree of swagger and sex appeal. No wonder Samson's mojo was minimized the moment his locks were shorn.

These days, long locks are growing back in Hollywood in a major way, thanks to heroes like Chris Hemsworth's Thor and Orlando Bloom's upcoming reprisal of Legolas in The Hobbit: The Desolation of Smaug.